package lab01;

/**
 * Created by 唐苗苗 on 2017/10/9.
 */
public class Test05 {

    private static int SumFor(int a){
        int sum = 0;
        for (int b = 1;b<a;b++){
            sum = sum +b;
        }
        return sum;
    }
    private static int SumDowhile(int a){
        int i=1;
        int sum=0;
        do{
            sum=sum+1;
            i++;
        }
        while(i<=a);
        return sum;
    }
    private static int SumWhile(int a){
        int i=1;
        int sum = 0;
        while (i<=a){
            sum = sum +i;
            i++;
        }
        return sum;
    }

    public static void main(String[] args) {
        System.out.println("For 方法求和结果为："+SumFor(10));
        System.out.println("While 方法求和结果为："+SumWhile(10));
        System.out.println("do-while 方法求和结果为："+SumDowhile(10));
    }
}
